I have sent en email with debugging on using phpmailer.
This is what I have received (see below).

Can someone explain to me why this email did not go through.
I'm not experienced at interpreting these results.

Thanks

K

SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is
"220-node62.mtl.net.vexxhost.com ESMTP Exim 4.80.1 #2 Mon, 11 Nov 2013
18:37:26 -0500 " SMTP -> get_lines(): $data is
"220-node62.mtl.net.vexxhost.com ESMTP Exim 4.80.1 #2 Mon, 11 Nov 2013
18:37:26 -0500 " SMTP -> get_lines(): $data was
"220-node62.mtl.net.vexxhost.com ESMTP Exim 4.80.1 #2 Mon, 11 Nov 2013
18:37:26 -0500 " SMTP -> get_lines(): $str is "220-We do not authorize
the use of this system to transport unsolicited, " SMTP -> get_lines():
$data is "220-node62.mtl.net.vexxhost.com ESMTP Exim 4.80.1 #2 Mon, 11
Nov 2013 18:37:26 -0500 220-We do not authorize the use of this system
to transport unsolicited, " SMTP -> get_lines(): $data was
"220-node62.mtl.net.vexxhost.com ESMTP Exim 4.80.1 #2 Mon, 11 Nov 2013
18:37:26 -0500 220-We do not authorize the use of this system to
transport unsolicited, " SMTP -> get_lines(): $str is "220 and/or bulk
e-mail. " SMTP -> get_lines(): $data is "220-node62.mtl.net.vexxhost.com
ESMTP Exim 4.80.1 #2 Mon, 11 Nov 2013 18:37:26 -0500 220-We do not
authorize the use of this system to transport unsolicited, 220 and/or
bulk e-mail. " SMTP -> FROM SERVER: 220-node62.mtl.net.vexxhost.com
ESMTP Exim 4.80.1 #2 Mon, 11 Nov 2013 18:37:26 -0500 220-We do not
authorize the use of this system to transport unsolicited, 220 and/or
bulk e-mail. SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str
is "250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] " SMTP -> get_lines(): $data is
"250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] " SMTP -> get_lines(): $data was
"250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] " SMTP -> get_lines(): $str is "250-SIZE 52428800 "
SMTP -> get_lines(): $data is "250-node62.mtl.net.vexxhost.com Hello
node62.mtl.net.vexxhost.com [199.204.44.226] 250-SIZE 52428800 " SMTP ->
get_lines(): $data was "250-node62.mtl.net.vexxhost.com Hello
node62.mtl.net.vexxhost.com [199.204.44.226] 250-SIZE 52428800 " SMTP ->
get_lines(): $str is "250-8BITMIME " SMTP -> get_lines(): $data is
"250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] 250-SIZE 52428800 250-8BITMIME " SMTP -> get_lines():
$data was "250-node62.mtl.net.vexxhost.com Hello
node62.mtl.net.vexxhost.com [199.204.44.226] 250-SIZE 52428800
250-8BITMIME " SMTP -> get_lines(): $str is "250-PIPELINING " SMTP ->
get_lines(): $data is "250-node62.mtl.net.vexxhost.com Hello
node62.mtl.net.vexxhost.com [199.204.44.226] 250-SIZE 52428800
250-8BITMIME 250-PIPELINING " SMTP -> get_lines(): $data was
"250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING " SMTP ->
get_lines(): $str is "250-AUTH PLAIN LOGIN " SMTP -> get_lines(): $data
is "250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH
PLAIN LOGIN " SMTP -> get_lines(): $data was
"250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH
PLAIN LOGIN " SMTP -> get_lines(): $str is "250-STARTTLS " SMTP ->
get_lines(): $data is "250-node62.mtl.net.vexxhost.com Hello
node62.mtl.net.vexxhost.com [199.204.44.226] 250-SIZE 52428800
250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN 250-STARTTLS " SMTP ->
get_lines(): $data was "250-node62.mtl.net.vexxhost.com Hello
node62.mtl.net.vexxhost.com [199.204.44.226] 250-SIZE 52428800
250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN 250-STARTTLS " SMTP ->
get_lines(): $str is "250 HELP " SMTP -> get_lines(): $data is
"250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH
PLAIN LOGIN 250-STARTTLS 250 HELP " SMTP -> FROM SERVER:
250-node62.mtl.net.vexxhost.com Hello node62.mtl.net.vexxhost.com
[199.204.44.226] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH
PLAIN LOGIN 250-STARTTLS 250 HELP SMTP -> get_lines(): $data was "" SMTP
-> get_lines(): $str is "334 VXNlcm5hbWU6 " SMTP -> get_lines(): $data
is "334 VXNlcm5hbWU6 " SMTP -> get_lines(): $data was "" SMTP ->
get_lines(): $str is "334 UGFzc3dvcmQ6 " SMTP -> get_lines(): $data is
"334 UGFzc3dvcmQ6 " SMTP -> get_lines(): $data was "" SMTP ->
get_lines(): $str is "235 Authentication succeeded " SMTP ->
get_lines(): $data is "235 Authentication succeeded " SMTP ->
get_lines(): $data was "" SMTP -> get_lines(): $str is "250 OK " SMTP ->
get_lines(): $data is "250 OK " SMTP -> FROM SERVER: 250 OK SMTP ->
get_lines(): $data was "" SMTP -> get_lines(): $str is "250 Accepted "
SMTP -> get_lines(): $data is "250 Accepted " SMTP -> FROM SERVER: 250
Accepted SMTP -> get_lines(): $data was "" SMTP -> get_lines(): $str is
"354 Enter message, ending with "." on a line by itself " SMTP ->
get_lines(): $data is "354 Enter message, ending with "." on a line by
itself " SMTP -> FROM SERVER: 354 Enter message, ending with "." on a
line by itself SMTP -> get_lines(): $data was "" SMTP -> get_lines():
$str is "550 This message was classified as SPAM and may not be
delivered " SMTP -> get_lines(): $data is "550 This message was
classified as SPAM and may not be delivered " SMTP -> FROM SERVER: 550
This message was classified as SPAM and may not be delivered SMTP ->
ERROR: DATA not accepted from server: 550 This message was classified as
SPAM and may not be delivered SMTP -> get_lines(): $data was "" SMTP ->
get_lines(): $str is "250 Reset OK " SMTP -> get_lines(): $data is "250
Reset OK " SMTP -> FROM SERVER: 250 Reset OK